Quick process sales/tip percentage calculator



FIG. 1 is a front elevation view of a quick process sales/tip percentage calculator;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is an isometric view thereof. 

The ornamental design for a quick process sales/tip percentage calculator, as shown. 